Check the listing for details. Swimming Pool & Spa Chemical Test Strips - (Choose Kit). Condition: New. Listed at 11.98 USD. Swimming Pool & Spa Chemical Test Strips - (Choose Kit) Features of our 4 in 1 Test Strip Kit: We introduce our latest line of 4 in 1 swimming pool & spa test strips. 50 count. The test strips test the following: Free chlorine Total bromine pH Total alkalinity Note: bottle includes 50 strips. Features of our 7 in 1 Test Strip Kit: Our 7-In-1 Test Strips are the antidote to providing your pool with translucent water results. The 7-in-1 test strips provide easy readings of free chlorine, total bromine, pH, total alkalinity, total hardness, bromine and cyanuric acid. Free chlorine Total bromine pH Total alkalinity Total hardness Bromine & cyanuric acid Note: bottle includes 50 strips. Features of our Salt Water Test Strip Kit: We introduce our latest line of swimming pool & spa salt test strips. 20 count. The test strips test the following: Salt (NaCl) Note: bottle includes 20 strips.